N1,N1-Dibutyl-1,3-propanediamine102-83-030 % similar 4-(3-Aminopropyl)morpholine123-00-230 % similar Homotaurine3687-18-130 % similar (3-Aminopropyl)diethanolamine4985-85-730 % similar 2-Aminoethanesulphonamide monohydrochloride89756-60-530 % similar